Home / 804,923.90-1,207,385.85-538,984.70

Finding the Fourth Proportional to 804,923.90, 1,207,385.85 and 538,984.70

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Solution

The fourth proportional to 804,923.90, 1,207,385.85 and 538,984.70 is: 808,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,923.90 : 1,207,385.85 = 538,984.70 : x
  2. Step 2: Convert to fraction form
    804,923.90/1,207,385.85 = 538,984.70/x
  3. Step 3: Cross multiply
    804,923.90x = 1,207,385.85 × 538,984.70
  4. Step 4: Simplify right side
    804,923.90x = 650,762,500,146.50
  5. Step 5: Solve for x
    x = 650,762,500,146.50/804,923.90
  6. Step 6: Final answer
    x = 808,477.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.